81220832

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 215632368

約数和(自身を除く): 134411536

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 49, 56, 68, 77, 88, 98, 112, 119, 136, 154, 176, 187, 196, 224, 238, 272, 277, 308, 352, 374, 392, 476, 539, 544, 554, 616, 748, 784, 833, 952, 1078, 1108, 1232, 1309, 1496, 1568, 1666, 1904, 1939, 2156, 2216, 2464, 2618, 2992, 3047, 3332, 3808, 3878, 4312, 4432, 4709, 5236, 5984, 6094, 6664, 7756, 8624, 8864, 9163, 9418, 10472, 12188, 13328, 13573, 15512, 17248, 18326, 18836, 20944, 21329, 24376, 26656, 27146, 31024, 32963, 36652, 37672, 41888, 42658, 48752, 51799, 54292, 62048, 65926, 73304, 75344, 85316, 97504, 103598, 108584, 131852, 146608, 149303, 150688, 170632, 207196, 217168, 230741, 263704, 293216, 298606, 341264, 362593, 414392, 434336, 461482, 527408, 597212, 682528, 725186, 828784, 922964, 1054816, 1194424, 1450372, 1657568, 1845928, 2388848, 2538151, 2900744, 3691856, 4777696, 5076302, 5801488, 7383712, 10152604, 11602976, 20305208, 40610416, 81220832]

約数ペア:

[(1, 81220832), (2, 40610416), (4, 20305208), (7, 11602976), (8, 10152604), (11, 7383712), (14, 5801488), (16, 5076302), (17, 4777696), (22, 3691856), (28, 2900744), (32, 2538151), (34, 2388848), (44, 1845928), (49, 1657568), (56, 1450372), (68, 1194424), (77, 1054816), (88, 922964), (98, 828784), (112, 725186), (119, 682528), (136, 597212), (154, 527408), (176, 461482), (187, 434336), (196, 414392), (224, 362593), (238, 341264), (272, 298606), (277, 293216), (308, 263704), (352, 230741), (374, 217168), (392, 207196), (476, 170632), (539, 150688), (544, 149303), (554, 146608), (616, 131852), (748, 108584), (784, 103598), (833, 97504), (952, 85316), (1078, 75344), (1108, 73304), (1232, 65926), (1309, 62048), (1496, 54292), (1568, 51799), (1666, 48752), (1904, 42658), (1939, 41888), (2156, 37672), (2216, 36652), (2464, 32963), (2618, 31024), (2992, 27146), (3047, 26656), (3332, 24376), (3808, 21329), (3878, 20944), (4312, 18836), (4432, 18326), (4709, 17248), (5236, 15512), (5984, 13573), (6094, 13328), (6664, 12188), (7756, 10472), (8624, 9418), (8864, 9163)]